InsidePulse.com’s Brendan Campbell has published an in-depth review of the just-released (May 8th) Blu-ray version of Wrestlemania XXVIII, at which Ms. Grey performed the Alex Da Kid-produced track “Invincible” live on stage with Machine Gun Kelly, just prior to the John Cena Vs. The Rock match.

Read an excerpt from Campbell’s review of the performance below, and check out the trailer for the Blu-ray release as well.

Wrestlemania XXVIII – Review & Trailer | Video ::“….speaking of setting the stage, Wrestlemania has always been about celebrity presence, and being a huge spectacle and they didn’t let down on this night either. There are two amazing intro performances by Machine Gun Kelly (singing alongside the very talented Skylar Grey) for John Cena and Flo Rida (who sang alongside Sia) for The Rock. Even if you’re not a fan of the music, you’ll likely find yourself tapping your foot and nodding your head to the beats delivered by these artists….”